diff options
| author | tianhe1986 <w1s2j3229@163.com> | 2017-01-17 08:07:09 +0100 |
|---|---|---|
| committer | tianhe1986 <w1s2j3229@163.com> | 2017-01-17 08:07:09 +0100 |
| commit | 1f4df78b5fae3251b9c0c5617946ab959cad4cd2 (patch) | |
| tree | 60b29f35a015781e719aab28caf42657d3e8a68a | |
| parent | f41b4e33d1d5fe8d17b3d572b9676b0fdfedc8f7 (diff) | |
Add aliased tables cache.
Signed-off-by: tianhe1986 <w1s2j3229@163.com>
| -rw-r--r-- | system/database/DB_query_builder.php | 40 |
1 files changed, 23 insertions, 17 deletions
diff --git a/system/database/DB_query_builder.php b/system/database/DB_query_builder.php index ab19d97a2..407b0d5d8 100644 --- a/system/database/DB_query_builder.php +++ b/system/database/DB_query_builder.php @@ -215,6 +215,13 @@ abstract class CI_DB_query_builder extends CI_DB_driver { protected $qb_cache_join = array(); /** + * QB Cache aliased tables list data + * + * @var array + */ + protected $qb_cache_aliased_tables = array(); + + /** * QB Cache WHERE data * * @var array @@ -2284,6 +2291,11 @@ abstract class CI_DB_query_builder extends CI_DB_driver { if ( ! in_array($table, $this->qb_aliased_tables)) { $this->qb_aliased_tables[] = $table; + if ($this->qb_caching === TRUE && ! in_array($table, $this->qb_cache_aliased_tables)) + { + $this->qb_cache_aliased_tables[] = $table; + $this->qb_cache_exists[] = 'aliased_tables'; + } } } } @@ -2616,16 +2628,17 @@ abstract class CI_DB_query_builder extends CI_DB_driver { public function flush_cache() { $this->_reset_run(array( - 'qb_cache_select' => array(), - 'qb_cache_from' => array(), - 'qb_cache_join' => array(), - 'qb_cache_where' => array(), - 'qb_cache_groupby' => array(), - 'qb_cache_having' => array(), - 'qb_cache_orderby' => array(), - 'qb_cache_set' => array(), - 'qb_cache_exists' => array(), - 'qb_cache_no_escape' => array() + 'qb_cache_select' => array(), + 'qb_cache_from' => array(), + 'qb_cache_join' => array(), + 'qb_cache_aliased_tables' => array(), + 'qb_cache_where' => array(), + 'qb_cache_groupby' => array(), + 'qb_cache_having' => array(), + 'qb_cache_orderby' => array(), + 'qb_cache_set' => array(), + 'qb_cache_exists' => array(), + 'qb_cache_no_escape' => array() )); return $this; @@ -2676,13 +2689,6 @@ abstract class CI_DB_query_builder extends CI_DB_driver { $this->qb_no_escape = $qb_no_escape; } } - - // If we are "protecting identifiers" we need to examine the "from" - // portion of the query to determine if there are any aliases - if ($this->_protect_identifiers === TRUE && count($this->qb_cache_from) > 0) - { - $this->_track_aliases($this->qb_from); - } } // -------------------------------------------------------------------- |